Configurable transceiver circuit architecture

A method comprising:

• coupling first driver circuitry of an integrated circuit to receive a first differential signal pair, the first driver circuitry including first current mirror circuitry and a first output stage comprising a first leg, a second leg in parallel with the first leg between a first node and a second node, and a first current source to draw current from the second node, first current mirror circuitry including a second current source and a first transistor, wherein coupling the first driver circuitry to receive the first differential signal pair includes coupling the first leg and the second leg each to receive a different respective signal of the first differential signal pair;
• coupling the first output stage to provide at least one output signal based on the first differential signal pair;
• configuring the first driver circuitry, including selecting from among:
• a first operational mode wherein a first circuit is closed, the first circuit coupled between the first node and a supply voltage, and wherein the first current mirror circuitry is disabled from providing a first current signal to the first node, wherein the first operational mode includes the second current source being switchedly decoupled from the first transistor;
• and
• a second operational mode wherein the first circuit is open and the first current mirror circuitry is configured to provide the first current signal to the first node.

A system comprising:

• a printed circuit board comprising input/output contacts;
• and
• an integrated circuit coupled to the printed circuit board, the integrated circuit comprising first driver circuitry including first current mirror circuitry and a first output stage comprising a first leg and a second leg in parallel with the first leg between a first node and a second node, the first leg and the second leg each to receive a respective signal of a first differential signal pair, and a first current source to draw current from the second node, wherein the first output stage to provide at least one output signal to the input/output contacts based on the first differential signal pair, first current mirror circuitry including a second current source and a first transistor;
• wherein configuration logic of integrated circuit is set for selection from among:
• a first operational mode wherein a first circuit is closed, the first circuit coupled between the first node and a supply voltage, and wherein the first current mirror circuitry is disabled from providing a first current signal to the first node, wherein the first operational mode includes the second current source being switchedly decoupled from the first transistor;
• and
• a second operational mode wherein the first circuit is open and the first current mirror circuitry is configured to provide the first current signal to the first node.